<template>
  <div class="example-container">
    <el-breadcrumb separator="/">
      <el-breadcrumb-item v-for="(item,index) in breadList" :key="index" :to="{ path: item.path }">{{item.meta.title}}
      </el-breadcrumb-item>
    </el-breadcrumb>
  </div>
</template>

<script>
export default {
  data () {
    return {
      breadList: [] // 路由集合
    }
  },
  watch: {
    $route () {
      this.getBreadcrumb()
    }
  },
  methods: {
    isHome (route) {
      return route.name === 'home'
    },
    getBreadcrumb () {
      let matched = this.$route.matched
      // 如果不是首页
      if (!this.isHome(matched[0])) {
        matched = [{ path: '/home', meta: { title: '首页' } }].concat(matched)
      }
      this.breadList = matched
    }
  },
  created () {
    this.getBreadcrumb()
  }
}
</script>
<style lang="scss" scoped>
.example-container {
  margin: 0 50px;
}
</style>
